Place finger on Black Stress Chip. Stress shows up as color change.They can be used over and over and over again. Great for Marketing and Education.
With liquid crystal thermal sensors, these cards are unique, simple, inexpensive tools for advertisement.
Place finger on Black Stress Chip. Stress shows up as color change. A color rainbow on the card compares the crystals color to Stressed, Tense, Normal or Calm. They last for years! They can be used over and over and over again.
• PVC card
• Standard Size 86*54mm
• Full color
• Single or double side printed for option
• Minimum Order – 500pcs Card
• Print your logo or special art on the card or custom as you request . |
